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Posted to issues-all@impala.apache.org by "Tim Armstrong (Jira)" <ji...@apache.org> on 2019/09/07 22:46:00 UTC

[jira] [Resolved] (IMPALA-5802) COMPUTE STATS uses MT_DOP=4 by default

     [ https://issues.apache.org/jira/browse/IMPALA-5802?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Tim Armstrong resolved IMPALA-5802.
-----------------------------------
    Fix Version/s: Impala 3.4.0
       Resolution: Fixed

> COMPUTE STATS uses MT_DOP=4 by default
> --------------------------------------
>
>                 Key: IMPALA-5802
>                 URL: https://issues.apache.org/jira/browse/IMPALA-5802
>             Project: IMPALA
>          Issue Type: Sub-task
>          Components: Backend, Frontend
>    Affects Versions: Impala 2.9.0
>            Reporter: Alexander Behm
>            Assignee: Tim Armstrong
>            Priority: Major
>              Labels: compute-stats
>             Fix For: Impala 3.4.0
>
>
> Now that IMPALA-3905 has been completely addressed we should run COMPUTE STATS with MT_DOP=4 by default, regardless of file format. The motivation is consistency and speeding up COMPUTE STATS in most cases.
> This task is a continuation of IMPALA-4572.



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